146 THE WEST VIRGINIA FLORA 



S. ACERiNUM Pers. 



On living tree trunks, March 7, 1893 {Nuttall, 858). 



HYMENOCHAETE Lev. 

 H. RUBiGiNOSA (Schr.) Lev. 



On dead log, March, 1893 (Nuttall, 911). On Robinia 

 pseudacacia, Monongalia : near Morgantown ; on Quercus 

 alba, Treston: near Terra Alta (Sheldon). 

 H. TABACiNA (Sow.) Lev. 



On dead twigs, March, 1893 (Nuttall, 910) ; on Acer, 

 Pocahontas: Cranberry Glades (Sheldon). 

 H. coRRUGATA (Fr.) Lev. 



On decorticated limb Betula lenta. Grant Co., near Bay- 

 ard (Millspaugh). On Magnolia Fraseri, Feb. 8, 1894. 

 Setae 38 x 7.5 /x (Nuttall, 1364). 

 H. UNICOLOR B. & C? 



On Betula lenta, on dead Kalmia latifoliaf July i, 1893 

 (Nuttall, III I, 96). 



CORTICIUM Fr. 



C. SALICINUM Fr. 



On dead Salix nigra, March 15, 1894 (Nuttall, 140J). 

 C. Oakesii B. & C. 



On living Ostrya Virginica, March 21, 1893 (Nuttall, 



C. GLOBIFERUM E. & E. 



Underside of dead log in deep laurel thicket. Short Creek, 

 March 25, 1893 (Nuttall, 940). 

 C. ARACHNOiDEUM Berk. 



On dead damp twigs in dense pile, Jan. 18, 1894. DiiTused 

 for 30 X 8 cm. ' Spores 4 to 5 x 2 to 3 /i. The species when 

 fresh has a wrinkled or crusted appearance looking very like 

 a Merulius, but soon becomes flat and plane (Nuttall. 1344, 

 303)- 



C. RADIOSUM Fr. 



On dead trunk, partly beneath loose bark. Short Creek, 

 May 18, 1893 (Nuttall, 965). 

 C. LEVE Pers. 



On Hamamelis Virginica, Dec. 20, 1894 (Nuttall, 1500). 

 C. ALBO-FLAVESCENS E. & E., Field Mus. Bet., 1:170 (1896). 



Type habitat : On bark of dead Tsitga Canadensis, Feb. 

 24, 1894 (Nuttall, discov. 1394). 



At first orbicular, subpezizoid, i to 2 mm. diameter, be- 

 coming more irregular in shape and i cm. or more diameter, 

 S VERsR*^'' stratum milk-white, consisting of loosely interwoven, 

 On'^ching threads, and extending out beyond the pale-oliva- 

 all 8=;6)"''' yellowish, membranaceous hymenium so as to form 



